0609 GMT - Zegona Communications' underlying cash flow growth could support a new payout policy, Berenberg analysts write in a note. The U.K. telecommunications company now has strong underlying cash flow growth with a 9% cash yield this year, the analysts say. They estimate this will reach 13% by 2030. "The potential payout of all of the company's cash flow via dividends and buybacks under a new payout policy could be announced this month," they add.